SPEED PRO Forged Coated 21cc Dome Pistons Set/8 for Chevy BB 396 325/350HP. 060
This item is for eight (8). Over bore Speed Pro (Sealed Power) forged 21cc dome pistons for Chevrolet 396ci big block V-8 engines. Feel free to message us with any fitment questions. These pistons can also be used in a. Over bore Chevrolet 402ci big block V-8 engine. Speed Pro forged pistons are made from extruded VMS-75 aluminum alloy that is forged under 3,000 tons of pressure to "near-net" shape. After that, they are machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that is dished out on the street and in competition. Connecting Rod Length: 6.135 in. Piston Top Style: Dome with 1-valve reliefs.
Piston Head Volume: -21.00cc. Compression Height: 1.760 in. Wrist Pin Style: Press-fit only. Ring Land Sizes: 5/64-5/64-3/16 (oil ring); rings NOT included.
Notes: DurOshield coated skirts; 1965-69 396-325/350HP. Usage: Street and mild strip; up to 150HP nitrous. RPM Range: Idle - 6,500. Compression Ratio (approximate): 9.73:1 w/100.9cc; 9.01:1 w/109.4cc; 8.01:1 w/124cc. We have locations in Alabama, Louisiana, and Tennessee.
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